MATLAB SIMULINK 3D ANIMATION - S Guide de l'utilisateur télécharger pdf (Page 203)

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101

Create a Virtual World

6-9

Create a Virtual World

There are a number of tasks involved in creating a virtual world. You can use the 3D

World Editor throughout the process of building a virtual world, and you can perform

activities in many different ways.

For a step-by-step tutorial about building a virtual world using the 3D World Editor, see

“Build and Connect a Virtual World”.

In general, the following is a common workflow for creating a virtual world using the 3D

World Editor. This example workflow includes optional tasks and a small subset of the

types of tasks that you can perform. For more information, see “Basic Editing” on page

6-11.

Open a new VRML file.

Under the ROOT node, optionally add:

• A WorldInfo node to document the virtual world.

• A NavigationInfo node to define overall navigation characteristics of the

virtual world, such as the Avatar size.

Under the ROOT node, add a Transform node in the virtual world for each object

that you want to share properties with other object in that same Transform node.

Under the Transform node, include nodes in a hierarchy, such as:

children

Shape

appearance

Appearance

material

Material

texture

textureTransform

Geometry

Box

Use the object properties edit pane to change default property values to create the

effects that you want.

Insert 3D World Editor library objects to define aspects, such as textures, for virtual

world objects.

• Give a VRML DEF name to each object that you create, so that you can access

them using Simulink 3D Animation.

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